Cloud computing is among the most widely used technologies due to its ability to reduce costs, reliability and fast access with increasing flexibility and scalability for computer processes. In recent years, cloud computing has grown rapidly in the IT industry, and IT organizations have expressed concerns regarding security issues with cloud computing. Cloud Computing has some level of risks because essential services are frequently outsourced to a third party, and as third party handles the data stored in the cloud it is harder to maintain data security and confidentiality. This paper provides an overview of security issues or menaces in the cloud and proposes some measures to address them.